* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: PingFang SC, "PingFang SC", "Microsoft YaHei", "Lantinghei SC", "Open Sans", Arial, "Hiragino Sans GB", "微软雅黑", "STHeiti", "WenQuanYi Micro Hei", SimSun, sans-serif, iconfont;
}
/* PC端样式 */
@media screen and (min-width: 769px) {

}
/* 移动端样式 */
@media screen and (max-width: 768px) {

}
